The assault occurred at 4:50 p.m. in the alleyway behind the Wild Ginger restaurant 31 Chestnut St., Police Chief John Ward told Daily Voice.
The 20-something victim was taken to The Valley Hospital in Ridgewood, the chief said. The accused assailant was being interviewed at headquarters, he said.
Charges were expected to include aggravated assault.
Click here to follow Daily Voice Ridgewood and receive free news updates.